More bugfixes to get a working copy (squashed)

raft.py

@@ -50,8 +50,8 @@ _LICENSE = ""
 # This gets all folders within the directory named `data`
 DATA_DIRS = next(os.walk('data'))[1]
 
-_URLs = {s: {'train': f".data/{s}/train.csv",
-             'test': f".data/{s}/test_unlabeled.csv"} for s in DATA_DIRS}
+_URLs = {s: {'train': f"data/{s}/train.csv",
+             'test': f"data/{s}/test_unlabeled.csv"} for s in DATA_DIRS}
 
 
 class Raft(datasets.GeneratorBasedBuilder):
@@ -73,18 +73,25 @@ class Raft(datasets.GeneratorBasedBuilder):
 
     # TODO: Load task jsons
 
-    tasks = []
+    tasks = {}
     for sd in DATA_DIRS:
         with open(os.path.join('data', sd, 'task.json')) as f:
             task_data = json.load(f)
-        tasks.append(task_data)
+        tasks[sd] = task_data
 
-    BUILDER_CONFIGS = [datasets.BuilderConfig(name=td['name'], version=VERSION,
-                       description=td['description']) for td in tasks]
+    BUILDER_CONFIGS = []
+    for key in tasks:
+        td = tasks[key]
+        name = td['name']
+        description = td['description']
+        BUILDER_CONFIGS.append(datasets.BuilderConfig(name=name, version=VERSION,
+                                                      description=description))
 
     DEFAULT_CONFIG_NAME = "tai_safety_research"  # It's not mandatory to have a default configuration. Just use one if it make sense.
 
     def _info(self):
+        DEFAULT_LABEL_NAME = "Unlabeled"
+
         task = Raft.tasks[self.config.name]
         # TODO: This method specifies the datasets.DatasetInfo object which contains informations and typings for the dataset
         data_columns = {col_name: datasets.Value("string") for col_name in
@@ -92,7 +99,7 @@ class Raft(datasets.GeneratorBasedBuilder):
 
         label_columns = {}
         for label_name in task['label_columns']:
-            labels = task['label_columns'][label_name]
+            labels = ["Unlabeled"] + task['label_columns'][label_name]
             label_columns[label_name] = datasets.ClassLabel(len(labels), labels)
 
         # Merge dicts
@@ -152,5 +159,5 @@ class Raft(datasets.GeneratorBasedBuilder):
                 if id_ == 0:  # First row is column names
                     continue
                 if split == "test":
-                    row += [""] * num_labels
-                return {name: value for name, value in zip(column_names, row)}
+                    row += ["Unlabeled"] * num_labels
+                yield id_, {name: value for name, value in zip(column_names, row)}